package com.DAL;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

public class DaoMysql {
    public static void main(String[] args) {
        Connection conn = null;
        PreparedStatement preparedStatement = null;
        ResultSet rs = null;
        try {
            conn = DatabaseConnection.getConnection();
            System.out.println("建立连接成功");
        } catch (Exception exception) {
            exception.printStackTrace();
        }

    }
}
